B2B Leads in France: Complete Guide 2026
France is the 7th largest economy globally with 4 million registered businesses. Here is how to source verified B2B contacts using SIRENE and other French data sources.
The French B2B landscape
France has approximately 4 million registered businesses, ranging from individual auto-entrepreneurs to major CAC 40 multinationals. The market is linguistically distinct - French business professionals strongly prefer communication in French, and cold outreach in English has measurably lower response rates outside of multinational corporations.
SIRENE - France's official business registry
SIRENE (Systeme Informatique pour le Repertoire des Entreprises et des Etablissements) is operated by INSEE, France's national statistics office. Every registered business in France has a SIREN number (9 digits) and SIRET number (14 digits). The SIRENE API provides sector codes, registration dates, employee counts, and address data. LeadTYZER integrates SIRENE as a primary source for French leads.
GDPR in the French market
France is enforced by CNIL (Commission Nationale de l'Informatique et des Libertés), one of the more active EU data protection authorities. For B2B outreach in France, you must have a valid lawful basis (Legitimate Interests works for B2B professional data), make opt-out easy, and comply with the French Data Protection Act. LeadTYZER's approach is designed for GDPR compliance including French CNIL requirements.
Top sectors for French B2B outreach
Luxury goods and retail, aerospace and defence, pharmaceuticals and life sciences, financial services (Paris is the largest financial centre in the EU post-Brexit), agriculture and food processing, and technology (Station F in Paris is the world's largest startup campus). French SMEs in manufacturing and services are often underserved by English-language outreach tools.
Get verified B2B leads today
AI-scored. Hunter.io verified. Human approved. From £499/month.
Get started